baber/WOPTO huggingface dataset:
Patent KR-20120035626-A (KR)
Title: Display apparatus and control method thereof
Inventor: CHOI SUNG WOOK
IPC: H04N7/173
Filed: 2010-10-06
Abstract: PURPOSE: A display apparatus and control method thereof are provided to enable a user to rapidly search desired information in a webpage by separating the webpage into plural first blocks. CONSTITUTION: An image processing unit(12) processes images in order to display the images on a webpage. A command reception unit(16) receives the command of a user related to the web page. A control unit(15) divides the webpage into plural first blocks. The control unit combines the first blocks which are bigger than a predetermined reference size as a second block. The control unit searches the first and the second block according to the command of the user.
Patent KR-20120041922-A (KR)
Title: Autonomous mobile platform using timing pulley type magnet wheel
Inventor: KIM DAE YOUNG
IPC: B25J5/00
Filed: 2010-10-22
Abstract: PURPOSE: An autonomous mobile platform using a timing pulley type magnet wheel is provided to smoothly and safely drive on a vertical wall of a hull without slip because frictional force of a driving part is maximized to increase bonding force. CONSTITUTION: An autonomous mobile platform using a timing pulley type magnet wheel comprises a pair of fixing brackets(100), multiple magnet wheels(200), a timing belt(300), a reducer(400), a driving motor(410), and a fixing plate. The fixing bracket is formed in an elliptical shape. The magnetic wheels are shaft-fixed in between the fixing brackets to be rotated. The timing belt connects the magnetic wheels into a caterpillar shape and makes frictional force increase. The reducer is fixed in one end side of the fixing bracket and is connected with a rotary shaft of the magnetic wheels. The driving motor is installed in the reducer. The fixing plate is fixed on the top of the fixing brackets not to be interfered with the timing belt.
Patent KR-20120043285-A (KR)
Title: Machinable ceramic composite material and manufacturing method of the same
Inventor: PARK JOO SEOK
IPC: C04B35/48
Filed: 2010-10-26
Abstract: PURPOSE: A machinable ceramic complex and a manufacturing method thereof are provided to improve crystal state and narrow intervals between particles by sintering compound powder of raw materials using a hot pressing process. CONSTITUTION: A machinable ceramic complex comprises zirconia(ZrO2), boron nitride(BN), yttrium oxide(Y2O3), and alumina(Al2O3). The zirconia(ZrO2) and boron nitride(BN) are contained 78-96 weight%. The yttrium oxide (Y2O3) is contained 3-12 weight%, and the alumina(Al2O3) is contained 1-10 weight%. The machinable ceramic complex has a flexural strength of 120-160MPa and a thermal expansion coefficient of 6.0-9.0×10^-6/degree Celsius. A manufacturing method of the machinable ceramic composite comprises next steps: mixing 78-96 weight% of zirconia(ZrO2) powder and boron nitride(BN) powder, 3-12 weight% of yttrium oxide(Y2O3) powder, 1-10 weight% of alumina (Al2O3) powder; charging the compound powder in a mold of a furnace; increasing temperature of the furnace to target sintering temperature which is lower than melting temperature of the zirconia(ZrO2) and boron nitride(BN); sintering and hot pressing the compound powder at the sintering temperature; and obtaining a sinter by cooling the furnace.
Patent KR-20110046327-A (KR)
IPC: H04B1/38
Filed: 2010-10-26
Abstract: PURPOSE: A mobile electronic device is provided to suppress temperature rise in the surface of the mobile electronic device caused by heat from a heat source. CONSTITUTION: A mobile electronic device comprises: a first casing(10a); a second casing(10b) disposed opposed to one of surfaces of the first casing and capable of changing a position relative to the first casing while maintaining a state where opposed surfaces are opposed; and a heat source disposed in the second casing. A surface of the second casing includes: a first region which is covered with the first casing in a first state where the first and the second casings are opposed and is exposed to the outside in a second state where the position relative to the first casing is changed and area of the opposed surfaces of the first and the second casings decreases from the first state; and a second region which is always exposed to the outside in both of the first and the second states. At least a part of the heat source is disposed in a position corresponding to the first region.
Patent KR-20120044059-A (KR)
Title: End-mill
Inventor: PARK KEUK WOO
IPC: B23C5/10
Filed: 2010-10-27
Abstract: PURPOSE: An end mill is provided to conveniently cutting by omitting end mill replacement for rough-cutting and finish-cutting and to precisely process parts by minimizing error. CONSTITUTION: An end mill(100) includes a shank part(110), side cutting parts(120), and a flat cutting part(130). The shank part is coupled to an axial bore of a holder of a machine tool. Multiple flutes(140) is dug along a circumferential surface in the lower part of the shank in order to form the side cutting part. Cutting blades are longitudinally formed in one end of each side cutting part. The flat cutting part is formed in lower end surface of the shank part. The cutting blades of the side cutting part have trapezoidal ridges(121) and gullies(123) in longitudinal direction.
Patent KR-20110103299-A (KR)
Inventor: LEE CHANG HO
IPC: H03H11/32
Filed: 2010-11-09
Abstract: 향상된 레퍼런스를 갖는 트랜스포머 또는 발룬을 제공하는 시스템 및 방법이 개시된다. 상기 시스템 또는 방법은, 적어도 1차 권선 및 2차 권선을 가지며, 상기 1차 권선은 센터탭을 포함하며, 상기 2차 권선은 제1 포트 및 제2 포트를 포함하는 트랜스포머; 및 상기 1차 권선 및 상기 2차 권선의 공통 레퍼런스를 제공하도록 상기 제2 포트와 상기 1차 권선의 상기 센터탭을 전기적으로 연결하는 전기적 연결부를 포함할 수 있다. 상기 트랜스포머의 상기 1차 권선은 전력 증폭기의 차동 출력을 수신하도록 배치되고, 상기 트랜스포머는 상기 차동 출력을 밸런스 신호에서 상기 2차 권선의 상기 제1 포트에서 이용가능한 언밸런스 신호로 변환할 수 있다.
Patent KR-20120051135-A (KR)
Title: Coupling socket and assembly for cable-type secandary battery
Inventor: KWON YO HAN
IPC: H01M50/522
Filed: 2010-11-12
Abstract: PURPOSE: A socket for connecting cable type secondary batteries is provided to easily connect adjacent two cable-type second batteries from each other in series without separate connecting adaptor. CONSTITUTION: A socket(100) for connecting cable type secondary batteries: a first connector(110) capable of being electrically connected to terminals of a first polarity in a cable type secondary battery; a second connector(120) capable of being electrically connected to terminals of a second polarity in another cable type secondary battery; and a main body(130) capable of interlocking the first connector and/or the second connector, and electrically connected to the first connector and the second connector. The first and/or the second connectors are additionally equipped with a fixing member(140) capable of fixing the location of terminal of the first or the second electrode corresponding.
Patent KR-20120051319-A (KR)
Title: Wireless power receiver
Inventor: CHEON SANG HOON
IPC: H04B1/16
Filed: 2010-11-12
Abstract: PURPOSE: A wireless power receiver is provided to promote transmission efficiency and to prevent unnecessary heating of a wireless power receiver. CONSTITUTION: A non-radiative electromagnetic wave receiving unit(210) receives a non-radiative electromagnetic wave in resonance. A poly-phase signal separator(220) separates poly-phase signals from the received non-radiative electromagnetic wave. A poly-phase signal rectifier(230) rectifies the separated poly-phase signals. A DC/DC converter(240) converts the rectified DC power into usable power to a loading unit.
Patent KR-20120052722-A (KR)
Title: Multiplex fiber spinning apparatus and control method thereof
Inventor: HAHM WAN GYU
IPC: D01D5/28
Filed: 2010-11-16
Abstract: PURPOSE: A multiple fiber spinning apparatus is provided to simultaneously spin various kinds of polymers and to fabricate multiple composite fiber and blended filament fiber with excellent function and performance. CONSTITUTION: A multiple fiber spinning apparatus(100) comprises: an extruding unit for welding and extruding polymer ingredients; a gear pump unit which is formed in plural to each extruding units and discharges polymer ingredients in same or different discharging amount; a spin block unit(120) which is individually formed to each gear pump and has a flow channel; and a spinning nozzle unit(130) which has a plurality of spinning nozzles and is connected to the gear pump by the flow channel. The apparatus further comprise an electric heating unit(140).
Patent KR-20120055180-A (KR)
Title: Mold for light emitting diode package
Inventor: HONG SOON BONG
IPC: H01L33/48
Filed: 2010-11-23
Abstract: PURPOSE: A mold for an LED package is provided to prevent a leakage of a molding material for finishing the LED package, thereby improving quality of an LED. CONSTITUTION: A light emitting chip load part(1110) includes a cavity. A light emitting chip(1300) which is operated when a power source is applied is mounted on the cavity. A heat dissipation frame(1120) is arranged on the lower part of the light emitting chip load part. The heat dissipation frame comprises a penetration part. The penetration part has an extended rectangular shape.
Patent KR-20120055236-A (KR)
Title: Prefabricated strut connection structure
Inventor: LEE KOU SANG
IPC: E02D17/08
Filed: 2010-11-23
Abstract: PURPOSE: A prefabricated strut coupling structure is provided to increase the installation interval of struts and disperse the load concentrated on a wale by employing circular steel pipes for struts. CONSTITUTION: A prefabricated strut coupling structure comprises a circular steel plate(110), a first reinforcing strut(120), a connection jack(130), and a pair of diagonal members(140). The circular steel pipe is arranged in an oblique direction or orthogonal direction to a wale. The first reinforcing strut is arranged in a line with the circular steel pipe and connected to the wale. The connection jack is located between the circular steel pipe and the first reinforcing strut and provides a coupling force by elongation thereof. The pair of diagonal members are obliquely coupled to the wale and the first reinforcing strut.
Patent KR-20120055893-A (KR)
Title: Pattern formation apparatus by using laser
Inventor: PARK HONG JIN
IPC: B23K26/06
Filed: 2010-11-24
Abstract: PURPOSE: A laser patterning device is provided to manufacture a large number of light guide plates per unit time by irradiating a light guide plate with a plurality of laser beams at one time. CONSTITUTION: A laser patterning device(100) comprises a laser unit(110), a laser beam splitting unit(120), and a focusing unit(130). The laser unit outputs a single laser beam(L). The laser beam splitting unit splits the single laser beam into multiple laser beams(L1,L2,L3,L4) which are then outputted. The focusing unit condenses each laser beam on a light guide plate to form a specific pattern on the light guide plate.
Patent KR-20120058902-A (KR)
Title: Method and apparatus for providing client information management, client device and information management apparatus for client information management
Inventor: BAE GUN TAE
IPC: H04L9/32
Filed: 2010-11-30
Abstract: PURPOSE: A system and a method for managing client information and a client terminal and an apparatus for managing the client information are provided to manage corresponding information by using an authentication element and an encryption key. CONSTITUTION: A system for managing client information comprises a client terminal group(100), a network(200), a client information management apparatus(300). The client terminal group requests subscription and authentication by using an authentication element and an encryption key. The network connects the client terminal group with the client information management apparatus. The network includes a broadband communication network and a local area network, etc. The client information management apparatus manages client information in an encrypted type.
Patent KR-20120059235-A (KR)
Title: Input apparatus and input method of image display device
Inventor: LEE JI YONG
IPC: G06F3/041
Filed: 2010-11-30
Abstract: PURPOSE: An input apparatus of an image display apparatus and input method thereof are provided to enable a user to accurately control the image display apparatus by providing various control commands and information input methods. CONSTITUTION: A sensor unit(240) senses movement by being installed in a body unit. A microphone electrically changes sound signals into voice data. A touch input unit(233) senses a touch input signal by being installed at a first surface of the body unit. A keypad receives a key input signal by being installed at a second surface of the body unit. A control unit(280) controls a wireless communication unit(225) in order to transmit a control command or information to an image display apparatus.
Patent KR-20110007993-A (KR)
Title: Airless pump dispensing system with multi-lobe ring seal
Inventor: DEANS DAVID M
IPC: B05B11/00
Filed: 2010-12-01
Abstract: PURPOSE: An airless pump dispensing system with a multi-lobe ring seal is provided to supply a twice larger sealing area to the multi-lobe ring seal, thereby keeping effective fluid sealing. CONSTITUTION: The first chamber(12) surrounds fluid. A discharging value(26) is connected to the first chamber to discharge fluid contents of the first chamber. The second chamber(14) is separated from the first chamber by a piston. The piston includes a vertical section neighbor shape and a multi-lobe ring seal(22).
Patent KR-20110063363-A (KR)
Title: Lithographic pellicle
Inventor: SHIRASAKI TORU
IPC: G03F1/64
Filed: 2010-12-02
Abstract: PURPOSE: Lithographic pellicles are provided to ensure little haze and little decomposition gas even if an ArF excimer laser light is irradiated to an adhesive layer of an inner wall. CONSTITUTION: Lithographic pellicles comprise a pellicle layer(1), a pellicle frame(3) and a pressure-sensitive adhesive layer(4). The pellicle film is installed to the upper part of the pellicle frame. The adhesive layer is formed at the lower end of the pellicle frame in order to enable the adhesion of the pellicle frame to a substrate. An inner wall adhesive layer(8) consisting of a hardened material of a hardening composition containing a perfluoro compound having a perfluoro structure to a main chain.
Patent KR-20120062522-A (KR)
Title: Roof apparatus for open car
Inventor: PARK TAE WAN
IPC: B60J7/14
Filed: 2010-12-06
Abstract: PURPOSE: A roof device for a convertible vehicle is provided to prevent operating oil leakages and performance reduction due to the change of operating oil through composing a supporting device operating a convertible vehicle roof by a motor device. CONSTITUTION: A roof device for a convertible vehicle comprises a supporting unit. The supporting unit comprises a base(10), an output gear(20), a driving gear(30), links(50, 60), and a latch(61). The base is installed in a rear roof(2) to be rotated relatively. The output gear is installed in the base and driven by a motor. The driving gear is meshed with the output gear and rotated in the base. The link is coupled with the driving gear to be rotated. The latch is held or released with a rear roof through being rotated on the base by links.
Patent KR-20120063204-A (KR)
Title: Food composition comprising ginseng fermented by lactic acid bacteria and method of manufacturing the same
Inventor: LEE YOUNG CHUL
IPC: A23L33/00
Filed: 2010-12-07
Abstract: PURPOSE: A food composition containing lactobacillus fermented ginseng, and a producing method thereof are provided to prevent the yield decrease when extracting solid portions from the ginseng at the high temperature and the high humidity. CONSTITUTION: A producing method of a food composition containing lactobacillus fermented ginseng comprises the following steps: inserting ginseng into an aqueous solution to obtain a ginseng suspension; mixing the ginseng suspension with a medium; and injecting lactobacillus selected from KCTC 3162 of KCTC 3163 into the medium for culturing. The ratio for mixing the ginseng with the aqueous solution is 1:7-9. The food composition is produced in a tea bag form.
Patent KR-20120063973-A (KR)
Title: 유체 정량 공급 밸브
Inventor: HAN HONG JOO
IPC: F16K37/00
Filed: 2010-12-08
Abstract: 본 발명은 유체 정량 공급 밸브에 관한 것으로, 그 구성은, 내부에 내부체적실(12)을 가진 체적실동체(10)와, 상기 체적실동체(10) 상부에 체결고정되는 체적실캡(14)과, 상기 내부체적실(12)에 로드(22)를 일체화시킨 체적실 피스톤(24)이 내장 설치되어 유체의 공급방향에 따라 승하강하면서 내부체적실에 충진된 유체를 유출입시키는 유체실린더부(20)와, 상기 유체실린더부(20)의 일측에 설치되어, 상기 유체실린더부(20)의 내부체적실(12) 상하부에 선택적으로 유체의 유출입을 유도하는 스풀(80)을 장착한 스풀하우징(30)를 포함하여 구성되고, 상기 스풀하우징(30)은, 다각형의 기둥형상으로 내부유로가 형성되며, 상기 스풀하우징(30)의 일단을 형성하고, 일단에 배출유로(42)가 형성되는 제 1하우징(40)과, 다각형의 기둥형상으로 내부에 유로가 형성되며, 상기 내부체적실(12)의 상단과 하단에 각각 유체를 공급하는 제 1유로(52)와 제 2유로(54)가 형성되고, 상기 유로로 외부에서 유체가 유입되도록 안내하는 유입구(56)가 형성되며, 일단이 상기 제 1하우징(40)과 접촉하는 제 2하우징(50)과, 다각형의 기둥형상으로 내부에 유로가 형성되며, 일단이 상기 제 2하우징(50)과 접촉하는 제 3하우징(60)과, 다각형의 기둥형으로 일단이 개방되며, 내부에 유로가 형성되고, 일단이 상기 제 2하우징(50)과 접촉하며, 내부의 공간이 상기 제 3하우징(60)이 형합되는 제 4하우징(70)과, 바형상으로 형성되어, 일단은 상기 제 4하우징(70)의 내부공간(72)을 따라 슬라이딩가능한 피스톤(82)이 형성되고, 상기 제 1하우징(40), 제 2하우징(50), 제 3하우징(60) 및 제 4하우징(70)을 관통하여 슬라이딩하면서, 상기 유입구(56)를 통하여 유입되는 유체를 상기 제 1유로(52)와 상기 제 2유로(54)로 선택적으로 상기 유체를 안내하는 스풀(80)과, 내부에 유로(92)가 형성되어 상기 배출유로(42)와 연통되고, 상기 제 1하우징(40)의 유로가 형합되는 제 1가이드(90)과, 내부에 유로(102)가 형성되어 상기 제 1가이드(90)의 유로(92)와 연통되고, 일부가 상기 제 1하우징(90) 내부의 유로에 형합되고, 나머지 부분이 상기 제 2하우징(50) 내부의 유로에 형합되며, 상기 제 1가이드(90)보다 상대적으로 큰 직경으로 형성되는 제 2가이드(100)와, 내부에 유로(112)가 형성되어 상기 제 2가이드(100)의 유로(102)와 연통되며, 상기 제 2가이드(100)의 홈부(104)에 일부가 형합되고, 나머지 부분은 상기 제 2하우징(50)의 유로에 형합되며, 상기 내부에 형성되는 유로(112)와 상기 제 2유로(54)를 연통하는 제 2연결유로(114)가 마련되는 제 1가이드부시(110)와, 상기 제 2가이드(100)의 유로(102)와 상기 제 1가이드부시(110)의 유로(112) 사이에 링 형상으로 형성되는 제 1패킹부(120)와, 상기 제 1패킹부(120)의 외주면을 감싸는 제 1오링(122)과, 내부에 유로(132)가 형성되어 상기 제 1가이드부시(110)의 유로(112)와 연통되며, 상기 제 2하우징(50)의 유로에 형합되며, 상기 내부에 형성되는 유로(112)와 상기 제 1유로(52)를 연통하는 제 1연결유로(134)가 마련되는 제 2가이드부시(130)와, 상기 제 1가이드부시(110)의 유로(112)와 상기 제 2가이드부시(130)의 유로(132) 사이에 링 형상으로 형성되는 제 2패킹부(140)와, 상기 제 2패킹부(140)의 외주면을 감싸는 제 2오링(142)과, 내부에 유로가 형성되어 상기 제 2가이드부시의 유로와 연통되고, 일부가 상기 제 2하우징(50)의 유로와 형합되며, 나머지 부분이 상기 제 3하우징(60) 내부의 유로와 형합하는 제 3가이드(150)와, 내부에 유로가 형성되어 상기 제 3가이드(150)의 유로와 연통되고, 상기 제 3하우징(60)의 유로와 형합되는 제 4가이드(160)와, 상기 가이드부시의 유로와 상기 제 3가이드의 유로 사이에 링 형상으로 형성되는 제 3패킹부(170)와, 상기 제 3패킹부(170)의 외주면을 감싸는 제 3오링(172)과, 상기 제 4가이드(160)의 유로와 상기 제 3하우징(60)의 유로 사이에 링 형상으로 형성되는 제 4패킹부(180)와, 상기 제 4패킹부(180)의 외주면을 감싸는 제 4오링(182)을 포함하여 구성될 수 있다.
Patent KR-20120064996-A (KR)
Inventor: JEONG BONG YONG
IPC: C25D17/10
Filed: 2010-12-10
Abstract: PURPOSE: An anodizing apparatus is provided to ensure a simplified structure by excluding a separate refrigerant storage space or cooling device for maintaining temperature. CONSTITUTION: An anodizing apparatus comprises reaction chambers(100,110), an electrode support plate(120), a magnet rod(150), and a magnet stirrer(130). The reaction chambers accommodate electrolyte and has an electrode to which an anode is connected. The electrode support plate is coupled with the reaction chambers and has an electrode to which a cathode is connected. The magnet rod is located inside the reaction chambers. The magnet stirrer rotates the magnet rod.
Patent KR-20120066147-A (KR)
Title: Method and apparatus for displaying dlna device
Inventor: CHOI JONG YUN
IPC: H04L12/16
Filed: 2010-12-14
Abstract: PURPOSE: A DLNA(Digital Living Network Alliance) apparatus display method and apparatus thereof are provided to enable a user to rapidly identify desired apparatuses by searching plural DLNA type apparatuses. CONSTITUTION: A apparatus information searching unit(210) searches apparatus information of adjacent apparatuses. An apparatus information extraction unit(220) extracts model names of the adjacent apparatuses and media files for an URL(Uniform Resource Locator). When the URL for the media file is existed, a media file reception unit(240) receives the media files for the adjacent apparatuses from the URL.
Patent KR-20120066853-A (KR)
Title: Thin layer deposition apparatus
Inventor: SHIN WOONG CHUL
IPC: H01L21/205
Filed: 2010-12-15
Abstract: PURPOSE: An apparatus for depositing a thin film is provided to simultaneously load and unload a cassette as well as open and close a processing chamber by integrating a door and a cassette holder which opens and closes the processing chamber. CONSTITUTION: An opening portion is formed on one side of an external chamber(10). A processing chamber(20) deposits an atomic layer on a substrate by housing a cassette(C). A first door(21) opens and closes the opening portion of the processing chamber. A second door(11) opens and closes the opening portion of the external chamber. A cassette holder(30) loading a plurality of cassettes is located on an inner wall of the first door.
Patent KR-20120067680-A (KR)
Title: Speech recognition client system, speech recognition server system and speech recognition method for processing speech recognition in online
Inventor: LEE SANG HO
IPC: G06F15/00
Filed: 2010-12-16
Abstract: PURPOSE: A voice recognition system, a voice recognition server system, and a voice recognition method are provided to provide intermediate result of voice recognition to users. CONSTITUTION: A voice recognition method comprises the following steps: a communication unit(614) transmits unit sound signal which is input every selected unit time from the beginning to end to a voice recognition server system(620); the communications unit receives intermediate result of voice recognition from the voice recognition server system; and a display unit(615) indicates the received voice recognition intermediate result between the start time point and end-point.
Patent KR-20120074509-A (KR)
Title: 개수로 또는 비만수로용 간이 유속 측정 장치
Inventor: NAM GI HAN
IPC: G01P5/20
Filed: 2010-12-28
Abstract: 본 발명은 간이한 방법으로 점검하는 것임에도 불구하고, 보다 신뢰성 있는 유속 측정이 가능한 유속 측정 장치에 관한 것으로서, 유속 측정 장치의 전방측 및 후방측에는 수로에 안착시키기 위한 고정판이 부착되고, 전방측 및 후방측 고정판 사이에는 측정관이 설치되고, 상기 측정관의 양 단부는 유속 측정 장치의 전방측 및 후방측 고정판에 개구를 형성하여 관통하도록 형성되며, 측정관의 외부에는 센서가 수밀 (watertight) 이 유지된 상태로 서로 일정 거리를 두고 직선상으로 이격되어 설치되며, 속도 측정을 위한 매개체가 측정관의 내부를 통과하여 이동하도록 형성되는 것을 특징으로 한다.
Patent KR-20120078325-A (KR)
Title: Positive photosensitive resin composition, photosensitive resin layer prepared by using the same, and semiconductor device including the photosensitive resin layer
Inventor: CHA MYOUNG HWAN
IPC: G03F7/016
Filed: 2010-12-31
Abstract: PURPOSE: A positive type photosensitive resin composition, a photosensitive resin film using the same, and a semiconductor device including the film are provided to improve residual film rate by adjusting the dissolution speed of an exposing part and a non-exposing part. CONSTITUTION: A positive type photosensitive resin composition includes a polybenzoxazole precursor, a dissolution adjusting agent, a photosensitive diazoquinone compound, a silane compound, and a solvent. The dissolution adjusting agent includes a compound represented by chemical formula 6. The polybenzoxazole precursor is selected from a group including a first polybenzoxazole precursor, a second polybenzoxazole precursor, and the combination of the same. The first polybenzoxazole precursor includes a repeating unit represented by chemical formula 1, a repeating unit represented by chemical formula 2, or the combination of the same. A thermal polymerizable functional group is arranged at one or more end parts of the first polybenzoxazole precursor. The second polybenzoxazole precursor includes a repeating unit represented by chemical formula 4, a repeating unit represented by chemical formula 5, or the combination of the same. In chemical formula 6, Z1 and Z2 are identical or different and are respectively single bonds, O, CO, CONH, S, or SO_2-substituted or non-substituted C1 to C10 alkyleneoxy groups(OR203) or -substituted or non-substituted C6 to C15 aryleneoxy groups(OR204); in the alkyleneoxy groups, R203 is a substituted or non-substituted alkylene group; in the aryleneoxy group, R204 is a substituted or non-substituted arylene group; and G1 is a hydrogen element, a substituted or non-substituted C1 to C30 aliphatic organic group, a substituted or non-substituted C3 to C30 alicyclic organic group, a substituted or non-substituted C6 to C30 aromatic organic group, a substituted or non-substituted C2 to C30 heterocyclic group, or -Ti-R300.